The average speed of all the molecules in an object
or sample of a substance is related to its temperature ...
and not indirectly at all.
Radiator. A radiator puts warm air out at the top and draws in cooler air at the bottom. steaming cup of hot tea - The steam you see when drinking a cup of hot tea indicates that heat is being transferred into the air. ice melting/Ice melts because heat moves to the ice from the air
You are trying to convert mass to volume. That ain't working